| 摘要 |
<p>Industrial and commercial processes for the preparation of 2-acyl-5-benzylfuran derivatives, 1,2,4-triazole-3- carboxylic acid ester derivatives or propenone derivatives having an anti-HIV activity; and useful crystals of the derivatives. A...deblocking: (III-2), (IV-10), (VI-1), wherein R?1, R2 and R4¿ are each independently hydrogen or the like; A is CR6 or N; R6 is hydrogen or the like; Q is a protecting group; and L is a leaving group.</p> |
